HwMuseum | Index

TULIP COMPUTERS

TULIP VISION LINE DT 486SX-25/DT 486DX-33I/DT 486DX-50I/

DT 486DX-66I/DT 486SX-33/DC 486SX-25/DC 486DX-33I/

WS 486SX-25/WS 486DX-33I

Processor

80486SX/80487SX/80486DX/80486DX2/OverDrive DX2/OverDrive DX2 R

Processor Speed

25/33/50 (internal)/66iMHz

Chip Set

Unidentified

Max. Onboard DRAM

20MB

Cache

None

BIOS

Unidentified

Dimensions

280mm x 254mm

I/O Options

Parallel port, serial ports (2), VGA port, VGA feature connector, floppy drive interface, IDE interface

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

J1

VGA port

J6

LED, speaker, & battery

J2

VGA feature connector

J9

IDE interface

J3

Floppy drive interface

J10

Serial port 2

J4

Extra fan connector

J13

Parallel port

J5

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery type select internal

J14

Open

 

Battery type select external

J14

Closed

»

Parallel mode bidirectional

J15

pins 2 & 3 closed

 

Parallel mode unidirectional

J15

pins 1 & 2 closed

»

Factory configured - do not alter

J17

pins 2 & 3 closed

»

PQFP CPU enabled

J18

pins 2 & 3 closed

 

PQFP CPU disabled

J18

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

4MB

NONE

8MB

4MB

(4) 1MB x 9

20MB

4MB

(4) 4MB x 9

Note:Bank 0 is factory installed on the board and can not be changed. Its exact location and configuration is unidentified.

VRAM CONFIGURATION

Size

Bank 0

U6

512KB

512KB

NONE

1MB

512KB

(1) 512K x 8 ZIP

Note:Bank 0 is factory installed on the board and can not be changed. Its exact location and configuration is unidentified.